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Stock Return Calculator

Calculate actual P&L and return rate including brokerage fees and securities transaction tax

💡 Stock Return Calculator Tips

  • Securities transaction tax: 0.18% for both KOSPI and KOSDAQ (unified since 2024)
  • Brokerage fees vary by broker; MTS apps typically charge 0.015–0.1%
  • Korean capital gains tax abolished for small investors in 2025 (금투세 폐지)
  • Overseas stocks: 22% capital gains tax applies on annual gains above 2.5 million KRW

Frequently Asked Questions

Is the securities transaction tax charged only on selling?

Yes, the transaction tax is applied only when selling. Both KOSPI and KOSDAQ are unified at 0.18% from 2024.

Is there capital gains tax on Korean stocks?

The Financial Investment Income Tax (금투세) was abolished in 2025. General retail investors (minority shareholders) are not subject to capital gains tax on domestic Korean stocks. Major shareholders (holding over 1 billion KRW per stock) have separate tax rates.

Is my data stored or sent to any server?

No. All calculations are performed entirely within your browser and no input data is transmitted to any server. Your information is completely safe.